walk a straight line

Verb

walk a straight line (third-person singular simple present walks a straight line, present participle walking a straight line, simple past and past participle walked a straight line)

1. To behave in a proper and lawful manner; to obey the rules and expectations of society.
   • What if your mate forgives you and your broken promise? I know we've all heard statements from our mates such as: "Baby, don't worry about it. I forgive you. Let'x move on!” Well, here's the question, should we accept this statement as the truth; or should we keep in the back of our minds that the...2009, Johnnie Lee Behlin III, Why: A Guideline for Relationships (Ways of Women/Minds of Men), →ISBN
   • He expected a felonious client, rewarded with four and a quarter million instead of jail time, to be grateful and thereafter to walk a straight line.2012, Dean Koontz, From the Corner of his Eye, →ISBN
2. Used other than figuratively or idiomatically: see walk, straight, line.
   • You've read about this phenomenon, how people who are loast in the woods believe they are walking a straight line sometimes will keep veering off in one direction and eventually walk in a circle that brings them very close to where they started.2008, David Lozell Martin, Losing Everything, →ISBN, page 10